Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life. The problem is not finding the star.

Jordan Flowers claims Russia and China may be reverse-engineering alien technology, raising national security concerns.

NASA discovers extreme planet: Astronomers are witnessing an alien world's dramatic transformation thanks to the James Webb ...

When we think of planet killer asteroids, survival odds might seem slim. But we aren't defenseless.

Discover the origin and purpose of the structures of living things, from why baboons have swollen bottoms to the ...